Freemium
LangChain
Framework for LLM applications
Side-by-side
LangChain vs CrewAI
General LLM app framework LangChain versus role-based multi-agent CrewAI.
| Feature | LangChain | CrewAI |
|---|---|---|
| Pricing model | Freemium | Freemium |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| API | Yes | Yes |
| Open source | Yes | Yes |
| Platforms | python, javascript, api | python, api |
| Categories | agents, coding, open-source | agents, coding, open-source |
| Best for | Framework for LLM applications | Multi-agent orchestration framework |
LangChain highlights
- LCEL chains
- Agents
- RAG tooling
- LangSmith
- LangGraph
LangChain is the popular open-source framework for building LLM apps with chains, agents, retrieval, and observability via LangSmith.…
CrewAI highlights
- Role-based agents
- Crews & flows
- Tool calling
- Enterprise platform
- Observability
CrewAI is a Python framework for composing role-based AI agent crews that collaborate on tasks — popular for demos and production agent workflows alongside LangChain-style stacks.…
Verdict
LangChain for broad RAG/tooling; CrewAI when multi-agent crews are the core pattern.
Still unsure? Read full profiles for LangChain and CrewAI, or browse Best Of roundups.
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